Abbreviation: "Piece of Shit Diamond Star Motors". A direct reference to the tendency of DSM's to break down.
I couldn't afford an EVO, so I'm stuck with this POSDSM.

I got busted with 10 keys of coke because my POSDSM broke on the freeway.

by Lucky_Zucky September 24, 2008

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Top Definition
(noun)peice of shit diamond star motorsports. DSM's are notorious for breaking down every tuesday, or whenever you start them.
"I was fired from my new job because my POSDSM broke down again."

"My g/f got gangbanged by five black guys because my POSDSM steals all my monies."
by kobykris October 17, 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt